107 build

Discussion in 'Harley Davidson Extreme Modification' started by hoot860, Feb 28, 2015.

  1. hoot860

    hoot860 New Member

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    Just finished build on 08 96in looking to see what you guys think. Bored to 107, 10.25 piston, redshift 577 cams, redshift chain tensioners, ported polished heads, oversize exhaust valves, compression releases, s&s 58 mm throttlebody, adj. pushrods, V&H true duals and Thundermax tuner. Just finished and it sounds (EDIT) but to much snow to try it
     
    Last edited by a moderator: Mar 1, 2015
  2. Jeff Klarich

    Jeff Klarich Well-Known Member Contributor

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    Sounds like you'll have a pretty hot scoot. Let us know how it runs out for ya.:s
     
  3. dolt

    dolt Senior Member Contributor

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    Don't know what was done to the heads and what final chamber volume or what pistons/dome volume but it sounds like you better use those compression releases all the time.:s Hope you got larger intake valves along with those larger exhaust valves as well.:) Never been a TMax fan but interested in how it tunes out.:coffee
     
  4. hoot860

    hoot860 New Member

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    Not sure of dome volume. Have run engine 5 times long enough to get head temp 215 then let cool completely. Emailed tmax and they gave me the tune to install. Took to friend with dyno and he seated rings. Haven't used releases yet. engine seems to start easy hot or cold.
     
  5. dolt

    dolt Senior Member Contributor

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    If you have a true 10.25 static, the motor will not complain on start up without using the releases, at least for a while The reason I asked is because most 10.25 pistons have a dome volume that will vary from 6-10cc. Check you CCP and if between 185-190psi, static is close to 10.25. Even so, I would use the releases. Over time, using them will extend starter and battery life.:s